/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlets;

import beans.Product;
import beans.ShoppingCart;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author havn
 */
public class LoadCartServlet extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    private ShoppingCart cart;

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        HttpSession ses = request.getSession(true);
        cart = (ShoppingCart) ses.getAttribute("ShoppingCart");
        try {
            PutData(cart.getCart(), out);

        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

    public void PutData(List list, PrintWriter out) {
        out.println("<table width='100%' cellpadding='0' cellspacing='0' style='text-align:center' border='1'>");
        out.println("<tr style='background-color: #135CAE;color: white'>"
                + "<th>id</th>"
                + "<th>name</th>"
                + "<th>image</th>"
                + "<th>price</th>"
                + "</tr>");
        for (int i = 0; i < list.size(); i++) {
            Product info = (Product) list.get(i);
            out.println("<tr>");
            out.println("<td>" + info.getId() + "</td>"
                    + "<td>" + info.getName() + "</td>"
                    + "<td>" + info.getImage() + "</td>"
                    + "<td>" + info.getPrice() + "</td>");
            out.println("</tr>");
        }
        out.println("<tr>"
                + "<td  style='font-weight: bolder'> Total item :" + cart.getCount() + "</td>"
                + "<td colspan='3' style='text-align: right;font-weight: bolder'> Total price :" + cart.getTotal() + "</td>"
                + "</tr>");
        
        out.println("</table>");
    }
}
